252417451 has 32 divisors (see below), whose sum is σ = 317479680. Its totient is φ = 197251200.

The previous prime is 252417383. The next prime is 252417499. The reversal of 252417451 is 154714252.

It is a cyclic number.

It is not a de Polignac number, because 252417451 - 2²¹ = 250320299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252417251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164976 + ... + 166498.

It is an arithmetic number, because the mean of its divisors is an integer number (9921240).

Almost surely, 2^252417451 is an apocalyptic number.

252417451 is a deficient number, since it is larger than the sum of its proper divisors (65062229).

252417451 is a wasteful number, since it uses less digits than its factorization.

252417451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its digits is 11200, while the sum is 31.

The square root of 252417451 is about 15887.6508962150. The cubic root of 252417451 is about 631.9845465364.

The spelling of 252417451 in words is "two hundred fifty-two million, four hundred seventeen thousand, four hundred fifty-one".