425111525 has 24 divisors (see below), whose sum is σ = 549631488. Its totient is φ = 325800000.

The previous prime is 425111509. The next prime is 425111527. The reversal of 425111525 is 525111524.

It is not a de Polignac number, because 425111525 - 2⁴ = 425111509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425111494 and 425111503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425111527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75560 + ... + 80990.

It is an arithmetic number, because the mean of its divisors is an integer number (22901312).

Almost surely, 2^425111525 is an apocalyptic number.

It is an amenable number.

425111525 is a deficient number, since it is larger than the sum of its proper divisors (124519963).

425111525 is a wasteful number, since it uses less digits than its factorization.

425111525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573 (or 5568 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 425111525 is about 20618.2328292218. The cubic root of 425111525 is about 751.9130568763.

Subtracting 425111525 from its reverse (525111524), we obtain a palindrome (99999999).

The spelling of 425111525 in words is "four hundred twenty-five million, one hundred eleven thousand, five hundred twenty-five".