252507734 has 4 divisors (see below), whose sum is σ = 378761604. Its totient is φ = 126253866.

The previous prime is 252507733. The next prime is 252507793. The reversal of 252507734 is 437705252.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 252507694 and 252507703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252507733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63126932 + ... + 63126935.

It is an arithmetic number, because the mean of its divisors is an integer number (94690401).

Almost surely, 2^252507734 is an apocalyptic number.

252507734 is a deficient number, since it is larger than the sum of its proper divisors (126253870).

252507734 is a wasteful number, since it uses less digits than its factorization.

252507734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126253869.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 252507734 is about 15890.4919370043. The cubic root of 252507734 is about 632.0598855687.

The spelling of 252507734 in words is "two hundred fifty-two million, five hundred seven thousand, seven hundred thirty-four".