425213044 has 12 divisors (see below), whose sum is σ = 787894884. Its totient is φ = 200100224.

The previous prime is 425213039. The next prime is 425213053. The reversal of 425213044 is 440312524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213510544 + 211702500 = 14612^2 + 14550^2 .

It is a super-2 number, since 2×425213044² = 361612265575491872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3126499 + ... + 3126634.

It is an arithmetic number, because the mean of its divisors is an integer number (65657907).

Almost surely, 2^425213044 is an apocalyptic number.

It is an amenable number.

425213044 is a deficient number, since it is larger than the sum of its proper divisors (362681840).

425213044 is a wasteful number, since it uses less digits than its factorization.

425213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253154 (or 6253152 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 425213044 is about 20620.6945566826. The cubic root of 425213044 is about 751.9729057878.

Adding to 425213044 its reverse (440312524), we get a palindrome (865525568).

The spelling of 425213044 in words is "four hundred twenty-five million, two hundred thirteen thousand, forty-four".