252617654 has 16 divisors (see below), whose sum is σ = 422334000. Its totient is φ = 112621824.

The previous prime is 252617641. The next prime is 252617657. The reversal of 252617654 is 456716252.

It is a super-2 number, since 2×252617654² = 127631358224927432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252617657) 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, 194879 + ... + 196170.

It is an arithmetic number, because the mean of its divisors is an integer number (26395875).

Almost surely, 2^252617654 is an apocalyptic number.

252617654 is a deficient number, since it is larger than the sum of its proper divisors (169716346).

252617654 is a wasteful number, since it uses less digits than its factorization.

252617654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391087.

The product of its digits is 100800, while the sum is 38.

The square root of 252617654 is about 15893.9502327143. The cubic root of 252617654 is about 632.1515869761.

The spelling of 252617654 in words is "two hundred fifty-two million, six hundred seventeen thousand, six hundred fifty-four".