52495381 has 8 divisors (see below), whose sum is σ = 54109440. Its totient is φ = 50902128.

The previous prime is 52495367. The next prime is 52495397. The reversal of 52495381 is 18359425.

52495381 is a nontrivial binomial coefficient, being equal to C(10247, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52495381 - 2²⁵ = 18940949 is a prime.

It is a super-2 number, since 2×52495381² = 5511530052670322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52495381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52495351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (6763680).

Almost surely, 2^52495381 is an apocalyptic number.

52495381 is the 10246-th triangular number.

52495381 is the 3416-th centered nonagonal number.

It is an amenable number.

52495381 is a deficient number, since it is larger than the sum of its proper divisors (1614059).

52495381 is a wasteful number, since it uses less digits than its factorization.

52495381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403.

The product of its digits is 43200, while the sum is 37.

The square root of 52495381 is about 7245.3696248018. The cubic root of 52495381 is about 374.4326377368.

The spelling of 52495381 in words is "fifty-two million, four hundred ninety-five thousand, three hundred eighty-one".