253730131 has 8 divisors (see below), whose sum is σ = 255011328. Its totient is φ = 252453000.

The previous prime is 253730129. The next prime is 253730177. The reversal of 253730131 is 131037352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253730131 - 2¹ = 253730129 is a prime.

It is a super-2 number, since 2×253730131² = 128757958754554322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253730096 and 253730105.

It is not an unprimeable number, because it can be changed into a prime (253730231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245586 + ... + 246616.

It is an arithmetic number, because the mean of its divisors is an integer number (31876416).

Almost surely, 2^253730131 is an apocalyptic number.

253730131 is a deficient number, since it is larger than the sum of its proper divisors (1281197).

253730131 is a wasteful number, since it uses less digits than its factorization.

253730131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 253730131 is about 15928.9086569043. The cubic root of 253730131 is about 633.0781839876.

Adding to 253730131 its reverse (131037352), we get a palindrome (384767483).

The spelling of 253730131 in words is "two hundred fifty-three million, seven hundred thirty thousand, one hundred thirty-one".