252103391 has 8 divisors (see below), whose sum is σ = 263282400. Its totient is φ = 240942592.

The previous prime is 252103363. The next prime is 252103451. The reversal of 252103391 is 193301252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252103391 is a prime.

It is a super-2 number, since 2×252103391² = 127112239507397762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252103391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252103331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29135 + ... + 36783.

It is an arithmetic number, because the mean of its divisors is an integer number (32910300).

Almost surely, 2^252103391 is an apocalyptic number.

252103391 is a deficient number, since it is larger than the sum of its proper divisors (11179009).

252103391 is a wasteful number, since it uses less digits than its factorization.

252103391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 252103391 is about 15877.7640428368. The cubic root of 252103391 is about 631.7223308560.

The spelling of 252103391 in words is "two hundred fifty-two million, one hundred three thousand, three hundred ninety-one".