402535451 has 2 divisors, whose sum is σ = 402535452. Its totient is φ = 402535450.

The previous prime is 402535411. The next prime is 402535481. The reversal of 402535451 is 154535204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402535451 - 2¹⁸ = 402273307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402535411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201267725 + 201267726.

It is an arithmetic number, because the mean of its divisors is an integer number (201267726).

Almost surely, 2^402535451 is an apocalyptic number.

402535451 is a deficient number, since it is larger than the sum of its proper divisors (1).

402535451 is an equidigital number, since it uses as much as digits as its factorization.

402535451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 402535451 is about 20063.2861465912. The cubic root of 402535451 is about 738.3598022037.

The spelling of 402535451 in words is "four hundred two million, five hundred thirty-five thousand, four hundred fifty-one".