1315451 has 2 divisors, whose sum is σ = 1315452. Its totient is φ = 1315450.

The previous prime is 1315441. The next prime is 1315453. The reversal of 1315451 is 1545131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315451 is a prime.

It is a super-2 number, since 2×1315451² = 3460822666802, which contains 22 as substring.

Together with 1315453, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1315453) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657725 + 657726.

It is an arithmetic number, because the mean of its divisors is an integer number (657726).

2^1315451 is an apocalyptic number.

1315451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315451 is an equidigital number, since it uses as much as digits as its factorization.

1315451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 20.

The square root of 1315451 is about 1146.9311226050. The cubic root of 1315451 is about 109.5699739706.

The spelling of 1315451 in words is "one million, three hundred fifteen thousand, four hundred fifty-one".