402205253 has 16 divisors (see below), whose sum is σ = 423284736. Its totient is φ = 381697920.

The previous prime is 402205249. The next prime is 402205259. The reversal of 402205253 is 352502204.

It is a cyclic number.

It is not a de Polignac number, because 402205253 - 2² = 402205249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402205259) 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, 504251 + ... + 505047.

It is an arithmetic number, because the mean of its divisors is an integer number (26455296).

Almost surely, 2^402205253 is an apocalyptic number.

It is an amenable number.

402205253 is a deficient number, since it is larger than the sum of its proper divisors (21079483).

402205253 is a wasteful number, since it uses less digits than its factorization.

402205253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 402205253 is about 20055.0555471682. The cubic root of 402205253 is about 738.1578559123.

Adding to 402205253 its reverse (352502204), we get a palindrome (754707457).

The spelling of 402205253 in words is "four hundred two million, two hundred five thousand, two hundred fifty-three".