52405901 has 4 divisors (see below), whose sum is σ = 52636992. Its totient is φ = 52174812.

The previous prime is 52405879. The next prime is 52405931. The reversal of 52405901 is 10950425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52405901 is a prime.

It is a cake number, because a cake can be divided into 52405901 parts by 680 planar cuts.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115205 + ... + 115658.

It is an arithmetic number, because the mean of its divisors is an integer number (13159248).

Almost surely, 2^52405901 is an apocalyptic number.

It is an amenable number.

52405901 is a deficient number, since it is larger than the sum of its proper divisors (231091).

52405901 is a wasteful number, since it uses less digits than its factorization.

52405901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231090.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52405901 is about 7239.1920129252. The cubic root of 52405901 is about 374.2197727433.

The spelling of 52405901 in words is "fifty-two million, four hundred five thousand, nine hundred one".