52451523 has 16 divisors (see below), whose sum is σ = 81085440. Its totient is φ = 33446952.

The previous prime is 52451501. The next prime is 52451543. The reversal of 52451523 is 32515425.

It is a happy number.

It is not a de Polignac number, because 52451523 - 2⁵ = 52451491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52451543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41611 + ... + 42852.

It is an arithmetic number, because the mean of its divisors is an integer number (5067840).

Almost surely, 2^52451523 is an apocalyptic number.

52451523 is a deficient number, since it is larger than the sum of its proper divisors (28633917).

52451523 is a wasteful number, since it uses less digits than its factorization.

52451523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84495 (or 84489 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52451523 is about 7242.3423697033. The cubic root of 52451523 is about 374.3283336899.

Adding to 52451523 its reverse (32515425), we get a palindrome (84966948).

The spelling of 52451523 in words is "fifty-two million, four hundred fifty-one thousand, five hundred twenty-three".