1353551 has 2 divisors, whose sum is σ = 1353552. Its totient is φ = 1353550.

The previous prime is 1353487. The next prime is 1353581. The reversal of 1353551 is 1553531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1353551 - 2⁶ = 1353487 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676775 + 676776.

It is an arithmetic number, because the mean of its divisors is an integer number (676776).

2^1353551 is an apocalyptic number.

1353551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353551 is an equidigital number, since it uses as much as digits as its factorization.

1353551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1125, while the sum is 23.

The square root of 1353551 is about 1163.4221074056. The cubic root of 1353551 is about 110.6177637919.

The spelling of 1353551 in words is "one million, three hundred fifty-three thousand, five hundred fifty-one".