253204651 has 8 divisors (see below), whose sum is σ = 295534080. Its totient is φ = 212414568.

The previous prime is 253204639. The next prime is 253204657. The reversal of 253204651 is 156402352.

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 253204651 - 2⁵ = 253204619 is a prime.

It is a super-2 number, since 2×253204651² = 128225190576063602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253204657) 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, 384481 + ... + 385138.

It is an arithmetic number, because the mean of its divisors is an integer number (36941760).

Almost surely, 2^253204651 is an apocalyptic number.

253204651 is a deficient number, since it is larger than the sum of its proper divisors (42329429).

253204651 is an equidigital number, since it uses as much as digits as its factorization.

253204651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769673.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 253204651 is about 15912.4055692406. The cubic root of 253204651 is about 632.6408428873.

The spelling of 253204651 in words is "two hundred fifty-three million, two hundred four thousand, six hundred fifty-one".