253213746 has 16 divisors (see below), whose sum is σ = 507707904. Its totient is φ = 84191184.

The previous prime is 253213687. The next prime is 253213771. The reversal of 253213746 is 647312352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50770 + ... + 55533.

It is an arithmetic number, because the mean of its divisors is an integer number (31731744).

Almost surely, 2^253213746 is an apocalyptic number.

253213746 is an abundant number, since it is smaller than the sum of its proper divisors (254494158).

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

253213746 is a wasteful number, since it uses less digits than its factorization.

253213746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106705.

The product of its digits is 30240, while the sum is 33.

The square root of 253213746 is about 15912.6913499885. The cubic root of 253213746 is about 632.6484175238.

The spelling of 253213746 in words is "two hundred fifty-three million, two hundred thirteen thousand, seven hundred forty-six".