253460352021 has 8 divisors (see below), whose sum is σ = 337961389920. Its totient is φ = 168966441072.

The previous prime is 253460351987. The next prime is 253460352037. The reversal of 253460352021 is 120253064352.

It is a happy number.

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

It is not a de Polignac number, because 253460352021 - 2³⁵ = 219100613653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253460352071) 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, 1698195 + ... + 1841408.

It is an arithmetic number, because the mean of its divisors is an integer number (42245173740).

Almost surely, 2^253460352021 is an apocalyptic number.

It is an amenable number.

253460352021 is a deficient number, since it is larger than the sum of its proper divisors (84501037899).

253460352021 is a wasteful number, since it uses less digits than its factorization.

253460352021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563475.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 253460352021 in words is "two hundred fifty-three billion, four hundred sixty million, three hundred fifty-two thousand, twenty-one".