52257465 has 24 divisors (see below), whose sum is σ = 97548360. Its totient is φ = 25726464.

The previous prime is 52257451. The next prime is 52257479. The reversal of 52257465 is 56475225.

52257465 is a `hidden beast` number, since 5 + 22 + 574 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (52257451) and next prime (52257479).

It can be written as a sum of positive squares in 4 ways, for example, as 6411024 + 45846441 = 2532^2 + 6771^2 .

It is not a de Polignac number, because 52257465 - 2¹³ = 52249273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44080 + ... + 45249.

It is an arithmetic number, because the mean of its divisors is an integer number (4064515).

Almost surely, 2^52257465 is an apocalyptic number.

It is an amenable number.

52257465 is a deficient number, since it is larger than the sum of its proper divisors (45290895).

52257465 is a wasteful number, since it uses less digits than its factorization.

52257465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89353 (or 89350 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 52257465 is about 7228.9324938057. The cubic root of 52257465 is about 373.8661216419.

The spelling of 52257465 in words is "fifty-two million, two hundred fifty-seven thousand, four hundred sixty-five".