612101453 has 2 divisors, whose sum is σ = 612101454. Its totient is φ = 612101452.

The previous prime is 612101449. The next prime is 612101491. The reversal of 612101453 is 354101216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453391849 + 158709604 = 21293^2 + 12598^2 .

It is a cyclic number.

It is not a de Polignac number, because 612101453 - 2² = 612101449 is a prime.

It is a super-2 number, since 2×612101453² = 749336377529422418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612101443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306050726 + 306050727.

It is an arithmetic number, because the mean of its divisors is an integer number (306050727).

Almost surely, 2^612101453 is an apocalyptic number.

It is an amenable number.

612101453 is a deficient number, since it is larger than the sum of its proper divisors (1).

612101453 is an equidigital number, since it uses as much as digits as its factorization.

612101453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 612101453 is about 24740.6841659644. The cubic root of 612101453 is about 849.0653870301.

Adding to 612101453 its reverse (354101216), we get a palindrome (966202669).

The spelling of 612101453 in words is "six hundred twelve million, one hundred one thousand, four hundred fifty-three".