252103531 has 2 divisors, whose sum is σ = 252103532. Its totient is φ = 252103530.

The previous prime is 252103499. The next prime is 252103543. The reversal of 252103531 is 135301252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252103531 - 2⁵ = 252103499 is a prime.

It is a super-2 number, since 2×252103531² = 127112380685335922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252103561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126051765 + 126051766.

It is an arithmetic number, because the mean of its divisors is an integer number (126051766).

Almost surely, 2^252103531 is an apocalyptic number.

252103531 is a deficient number, since it is larger than the sum of its proper divisors (1).

252103531 is an equidigital number, since it uses as much as digits as its factorization.

252103531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 252103531 is about 15877.7684515174. The cubic root of 252103531 is about 631.7224477936.

Adding to 252103531 its reverse (135301252), we get a palindrome (387404783).

The spelling of 252103531 in words is "two hundred fifty-two million, one hundred three thousand, five hundred thirty-one".