253371457 has 8 divisors (see below), whose sum is σ = 255709440. Its totient is φ = 251044080.

The previous prime is 253371409. The next prime is 253371493. The reversal of 253371457 is 754173352.

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

It is a cyclic number.

It is not a de Polignac number, because 253371457 - 2²³ = 244982849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253371257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50032 + ... + 54862.

It is an arithmetic number, because the mean of its divisors is an integer number (31963680).

Almost surely, 2^253371457 is an apocalyptic number.

It is an amenable number.

253371457 is a deficient number, since it is larger than the sum of its proper divisors (2337983).

253371457 is a wasteful number, since it uses less digits than its factorization.

253371457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 88200, while the sum is 37.

The square root of 253371457 is about 15917.6460885396. The cubic root of 253371457 is about 632.7797359701.

It can be divided in two parts, 253371 and 457, that added together give a triangular number (253828 = T₇₁₂).

The spelling of 253371457 in words is "two hundred fifty-three million, three hundred seventy-one thousand, four hundred fifty-seven".