253100205402 has 32 divisors (see below), whose sum is σ = 560460708864. Its totient is φ = 75552298800.

The previous prime is 253100205389. The next prime is 253100205419. The reversal of 253100205402 is 204502001352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28613874 + ... + 28622717.

It is an arithmetic number, because the mean of its divisors is an integer number (17514397152).

Almost surely, 2^253100205402 is an apocalyptic number.

253100205402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253100205402 is an abundant number, since it is smaller than the sum of its proper divisors (307360503462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253100205402 is a wasteful number, since it uses less digits than its factorization.

253100205402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57236674.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 253100205402 its reverse (204502001352), we get a palindrome (457602206754).

The spelling of 253100205402 in words is "two hundred fifty-three billion, one hundred million, two hundred five thousand, four hundred two".