253228931 has 8 divisors (see below), whose sum is σ = 255004464. Its totient is φ = 251458560.

The previous prime is 253228901. The next prime is 253228961. The reversal of 253228931 is 139822352.

It is an interprime number because it is at equal distance from previous prime (253228901) and next prime (253228961).

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 253228931 - 2¹⁸ = 252966787 is a prime.

It is a super-2 number, since 2×253228931² = 128249782990805522, 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 = 253228891 and 253228900.

It is not an unprimeable number, because it can be changed into a prime (253228901) 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, 164636 + ... + 166166.

It is an arithmetic number, because the mean of its divisors is an integer number (31875558).

Almost surely, 2^253228931 is an apocalyptic number.

253228931 is a deficient number, since it is larger than the sum of its proper divisors (1775533).

253228931 is a wasteful number, since it uses less digits than its factorization.

253228931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its digits is 25920, while the sum is 35.

The square root of 253228931 is about 15913.1684777105. The cubic root of 253228931 is about 632.6610637227.

The spelling of 253228931 in words is "two hundred fifty-three million, two hundred twenty-eight thousand, nine hundred thirty-one".