252503007 has 4 divisors (see below), whose sum is σ = 336670680. Its totient is φ = 168335336.

The previous prime is 252503003. The next prime is 252503021. The reversal of 252503007 is 700305252.

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

It is a cyclic number.

It is not a de Polignac number, because 252503007 - 2² = 252503003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252503003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42083832 + ... + 42083837.

It is an arithmetic number, because the mean of its divisors is an integer number (84167670).

Almost surely, 2^252503007 is an apocalyptic number.

252503007 is a deficient number, since it is larger than the sum of its proper divisors (84167673).

252503007 is an equidigital number, since it uses as much as digits as its factorization.

252503007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84167672.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 252503007 is about 15890.3431995662. The cubic root of 252503007 is about 632.0559414443.

Adding to 252503007 its reverse (700305252), we get a palindrome (952808259).

The spelling of 252503007 in words is "two hundred fifty-two million, five hundred three thousand, seven".