25213069 has 16 divisors (see below), whose sum is σ = 29569536. Its totient is φ = 21052800.

The previous prime is 25213063. The next prime is 25213079. The reversal of 25213069 is 96031252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25213069 is a prime.

It is a super-2 number, since 2×25213069² = 1271397696797522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213063) 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, 58284 + ... + 58714.

It is an arithmetic number, because the mean of its divisors is an integer number (1848096).

Almost surely, 2^25213069 is an apocalyptic number.

It is an amenable number.

25213069 is a deficient number, since it is larger than the sum of its proper divisors (4356467).

25213069 is a wasteful number, since it uses less digits than its factorization.

25213069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 25213069 is about 5021.2616940367. The cubic root of 25213069 is about 293.2301150554.

The spelling of 25213069 in words is "twenty-five million, two hundred thirteen thousand, sixty-nine".