52207901 has 4 divisors (see below), whose sum is σ = 55278972. Its totient is φ = 49136832.

The previous prime is 52207889. The next prime is 52207931. The reversal of 52207901 is 10970225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46922500 + 5285401 = 6850^2 + 2299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52207901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52207931) 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, 1535510 + ... + 1535543.

It is an arithmetic number, because the mean of its divisors is an integer number (13819743).

Almost surely, 2^52207901 is an apocalyptic number.

It is an amenable number.

52207901 is a deficient number, since it is larger than the sum of its proper divisors (3071071).

52207901 is a wasteful number, since it uses less digits than its factorization.

52207901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071070.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 52207901 is about 7225.5035118668. The cubic root of 52207901 is about 373.7478855076.

The spelling of 52207901 in words is "fifty-two million, two hundred seven thousand, nine hundred one".