252123735 has 16 divisors (see below), whose sum is σ = 414301536. Its totient is φ = 130831488.

The previous prime is 252123671. The next prime is 252123757. The reversal of 252123735 is 537321252.

It is a happy number.

It is not a de Polignac number, because 252123735 - 2⁶ = 252123671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226584 + ... + 227693.

It is an arithmetic number, because the mean of its divisors is an integer number (25893846).

Almost surely, 2^252123735 is an apocalyptic number.

252123735 is a deficient number, since it is larger than the sum of its proper divisors (162177801).

252123735 is a wasteful number, since it uses less digits than its factorization.

252123735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454322.

The product of its digits is 12600, while the sum is 30.

The square root of 252123735 is about 15878.4046742738. The cubic root of 252123735 is about 631.7393231085.

Adding to 252123735 its reverse (537321252), we get a palindrome (789444987).

The spelling of 252123735 in words is "two hundred fifty-two million, one hundred twenty-three thousand, seven hundred thirty-five".