402551245 has 16 divisors (see below), whose sum is σ = 517648320. Its totient is φ = 299440384.

The previous prime is 402551207. The next prime is 402551249. The reversal of 402551245 is 542155204.

It is a cyclic number.

It is not a de Polignac number, because 402551245 - 2¹⁷ = 402420173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402551249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21475 + ... + 35584.

It is an arithmetic number, because the mean of its divisors is an integer number (32353020).

Almost surely, 2^402551245 is an apocalyptic number.

It is an amenable number.

402551245 is a deficient number, since it is larger than the sum of its proper divisors (115097075).

402551245 is a wasteful number, since it uses less digits than its factorization.

402551245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57164.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 402551245 is about 20063.6797472448. The cubic root of 402551245 is about 738.3694589119.

The spelling of 402551245 in words is "four hundred two million, five hundred fifty-one thousand, two hundred forty-five".