405053525 has 12 divisors (see below), whose sum is σ = 509764992. Its totient is φ = 319205040.

The previous prime is 405053513. The next prime is 405053549. The reversal of 405053525 is 525350504.

It is a happy number.

It is not a de Polignac number, because 405053525 - 2⁸ = 405053269 is a prime.

It is a super-2 number, since 2×405053525² = 328136716229851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119237 + ... + 122586.

It is an arithmetic number, because the mean of its divisors is an integer number (42480416).

Almost surely, 2^405053525 is an apocalyptic number.

It is an amenable number.

405053525 is a deficient number, since it is larger than the sum of its proper divisors (104711467).

405053525 is a wasteful number, since it uses less digits than its factorization.

405053525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241900 (or 241895 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 405053525 is about 20125.9415928796. The cubic root of 405053525 is about 739.8962144439.

It can be divided in two parts, 4050 and 53525, that added together give a palindrome (57575).

The spelling of 405053525 in words is "four hundred five million, fifty-three thousand, five hundred twenty-five".