425901533 has 2 divisors, whose sum is σ = 425901534. Its totient is φ = 425901532.

The previous prime is 425901521. The next prime is 425901551. The reversal of 425901533 is 335109524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326958724 + 98942809 = 18082^2 + 9947^2 .

It is a cyclic number.

It is not a de Polignac number, because 425901533 - 2⁸ = 425901277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425901533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425901503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212950766 + 212950767.

It is an arithmetic number, because the mean of its divisors is an integer number (212950767).

Almost surely, 2^425901533 is an apocalyptic number.

It is an amenable number.

425901533 is a deficient number, since it is larger than the sum of its proper divisors (1).

425901533 is an equidigital number, since it uses as much as digits as its factorization.

425901533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 425901533 is about 20637.3819318246. The cubic root of 425901533 is about 752.3785423703.

The spelling of 425901533 in words is "four hundred twenty-five million, nine hundred one thousand, five hundred thirty-three".