425355513 has 32 divisors (see below), whose sum is σ = 630927360. Its totient is φ = 252744960.

The previous prime is 425355493. The next prime is 425355523. The reversal of 425355513 is 315553524.

It is a happy number.

It is not a de Polignac number, because 425355513 - 2⁹ = 425355001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (425355523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434881 + ... + 435857.

It is an arithmetic number, because the mean of its divisors is an integer number (19716480).

Almost surely, 2^425355513 is an apocalyptic number.

It is an amenable number.

425355513 is a deficient number, since it is larger than the sum of its proper divisors (205571847).

425355513 is a wasteful number, since it uses less digits than its factorization.

425355513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 45000, while the sum is 33.

The square root of 425355513 is about 20624.1487824346. The cubic root of 425355513 is about 752.0568800580.

The spelling of 425355513 in words is "four hundred twenty-five million, three hundred fifty-five thousand, five hundred thirteen".