2251253942 has 24 divisors (see below), whose sum is σ = 3983547600. Its totient is φ = 951231120.

The previous prime is 2251253923. The next prime is 2251253947. The reversal of 2251253942 is 2493521522.

2251253942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2251253942² = 10136288622741078728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251253947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154817 + ... + 168732.

It is an arithmetic number, because the mean of its divisors is an integer number (165981150).

Almost surely, 2^2251253942 is an apocalyptic number.

2251253942 is a deficient number, since it is larger than the sum of its proper divisors (1732293658).

2251253942 is a wasteful number, since it uses less digits than its factorization.

2251253942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323636 (or 323629 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 2251253942 is about 47447.3807707022. The cubic root of 2251253942 is about 1310.6140783940.

The spelling of 2251253942 in words is "two billion, two hundred fifty-one million, two hundred fifty-three thousand, nine hundred forty-two".