57242465 has 8 divisors (see below), whose sum is σ = 78504000. Its totient is φ = 39251952.

The previous prime is 57242447. The next prime is 57242473. The reversal of 57242465 is 56424275.

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 57242465 - 2⁸ = 57242209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1635499 = 57242465 / (5 + 7 + 2 + 4 + 2 + 4 + 6 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817715 + ... + 817784.

It is an arithmetic number, because the mean of its divisors is an integer number (9813000).

Almost surely, 2^57242465 is an apocalyptic number.

It is an amenable number.

57242465 is a deficient number, since it is larger than the sum of its proper divisors (21261535).

57242465 is a wasteful number, since it uses less digits than its factorization.

57242465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635511.

The product of its digits is 67200, while the sum is 35.

The square root of 57242465 is about 7565.8750320105. The cubic root of 57242465 is about 385.3950294094.

The spelling of 57242465 in words is "fifty-seven million, two hundred forty-two thousand, four hundred sixty-five".