253091601 has 16 divisors (see below), whose sum is σ = 428515200. Its totient is φ = 144623664.

The previous prime is 253091599. The next prime is 253091603. The reversal of 253091601 is 106190352.

253091601 is a `hidden beast` number, since 2 + 53 + 0 + 9 + 1 + 601 = 666.

It is an interprime number because it is at equal distance from previous prime (253091599) and next prime (253091603).

It is not a de Polignac number, because 253091601 - 2¹ = 253091599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (253091603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669366 + ... + 669743.

It is an arithmetic number, because the mean of its divisors is an integer number (26782200).

Almost surely, 2^253091601 is an apocalyptic number.

253091601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

253091601 is a deficient number, since it is larger than the sum of its proper divisors (175423599).

253091601 is a wasteful number, since it uses less digits than its factorization.

253091601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339125 (or 1339119 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 253091601 is about 15908.8529127653. The cubic root of 253091601 is about 632.5466757204.

The spelling of 253091601 in words is "two hundred fifty-three million, ninety-one thousand, six hundred one".