403167852025 has 45 divisors (see below), whose sum is σ = 521234420763. Its totient is φ = 309350076000.

The previous prime is 403167852023. The next prime is 403167852053. The reversal of 403167852025 is 520258761304.

The square root of 403167852025 is 634955.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 238912731369 + 164255120656 = 488787^2 + 405284^2 .

It is not a de Polignac number, because 403167852025 - 2¹ = 403167852023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403167852023) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2669985700 + ... + 2669985850.

Almost surely, 2^403167852025 is an apocalyptic number.

403167852025 is the 634955-th square number.

403167852025 is the 317478-th centered octagonal number.

It is an amenable number.

403167852025 is a deficient number, since it is larger than the sum of its proper divisors (118066568738).

403167852025 is an frugal number, since it uses more digits than its factorization.

403167852025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 403167852025 in words is "four hundred three billion, one hundred sixty-seven million, eight hundred fifty-two thousand, twenty-five".