253192474 has 4 divisors (see below), whose sum is σ = 379788714. Its totient is φ = 126596236.

The previous prime is 253192411. The next prime is 253192493. The reversal of 253192474 is 474291352.

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

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 124211025 = 11357^2 + 11145^2 .

It is a super-3 number, since 3×253192474³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63298117 + ... + 63298120.

Almost surely, 2^253192474 is an apocalyptic number.

253192474 is a deficient number, since it is larger than the sum of its proper divisors (126596240).

253192474 is a wasteful number, since it uses less digits than its factorization.

253192474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126596239.

The product of its digits is 60480, while the sum is 37.

The square root of 253192474 is about 15912.0229386461. The cubic root of 253192474 is about 632.6307011686.

The spelling of 253192474 in words is "two hundred fifty-three million, one hundred ninety-two thousand, four hundred seventy-four".