52605451 has 4 divisors (see below), whose sum is σ = 52870000. Its totient is φ = 52340904.

The previous prime is 52605407. The next prime is 52605457. The reversal of 52605451 is 15450625.

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

It is a cyclic number.

It is not a de Polignac number, because 52605451 - 2⁷ = 52605323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52605457) 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 3 ways as a sum of consecutive naturals, for example, 131976 + ... + 132373.

It is an arithmetic number, because the mean of its divisors is an integer number (13217500).

Almost surely, 2^52605451 is an apocalyptic number.

52605451 is a deficient number, since it is larger than the sum of its proper divisors (264549).

52605451 is a wasteful number, since it uses less digits than its factorization.

52605451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264548.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52605451 is about 7252.9615330567. The cubic root of 52605451 is about 374.6941529918.

The spelling of 52605451 in words is "fifty-two million, six hundred five thousand, four hundred fifty-one".