525153434 has 16 divisors (see below), whose sum is σ = 885209472. Its totient is φ = 231840048.

The previous prime is 525153427. The next prime is 525153463. The reversal of 525153434 is 434351525.

It is a happy number.

It is a super-2 number, since 2×525153434² = 551572258483984712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525153434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438494 + ... + 439689.

It is an arithmetic number, because the mean of its divisors is an integer number (55325592).

Almost surely, 2^525153434 is an apocalyptic number.

525153434 is a deficient number, since it is larger than the sum of its proper divisors (360056038).

525153434 is a wasteful number, since it uses less digits than its factorization.

525153434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878221.

The product of its digits is 36000, while the sum is 32.

The square root of 525153434 is about 22916.2264345594. The cubic root of 525153434 is about 806.7929041864.

It can be divided in two parts, 5251 and 53434, that added together give a palindrome (58685).

The spelling of 525153434 in words is "five hundred twenty-five million, one hundred fifty-three thousand, four hundred thirty-four".