253124919 has 10 divisors (see below), whose sum is σ = 378125000. Its totient is φ = 168749892.

The previous prime is 253124891. The next prime is 253124933. The reversal of 253124919 is 919421352.

It is not a de Polignac number, because 253124919 - 2¹² = 253120823 is a prime.

It is a super-2 number, since 2×253124919² = 128144449237513122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253124969) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1562419 + ... + 1562580.

It is an arithmetic number, because the mean of its divisors is an integer number (37812500).

Almost surely, 2^253124919 is an apocalyptic number.

253124919 is a deficient number, since it is larger than the sum of its proper divisors (125000081).

253124919 is an equidigital number, since it uses as much as digits as its factorization.

253124919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125011 (or 3125002 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 253124919 is about 15909.9000311127. The cubic root of 253124919 is about 632.5744315017.

The spelling of 253124919 in words is "two hundred fifty-three million, one hundred twenty-four thousand, nine hundred nineteen".