25063538 has 4 divisors (see below), whose sum is σ = 37595310. Its totient is φ = 12531768.

The previous prime is 25063529. The next prime is 25063547. The reversal of 25063538 is 83536052.

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

It is an interprime number because it is at equal distance from previous prime (25063529) and next prime (25063547).

It can be written as a sum of positive squares in only one way, i.e., 12623809 + 12439729 = 3553^2 + 3527^2 .

It is a super-3 number, since 3×25063538³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265883 + ... + 6265886.

Almost surely, 2^25063538 is an apocalyptic number.

25063538 is a deficient number, since it is larger than the sum of its proper divisors (12531772).

25063538 is a wasteful number, since it uses less digits than its factorization.

25063538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531771.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25063538 is about 5006.3497680446. The cubic root of 25063538 is about 292.6492792450.

The spelling of 25063538 in words is "twenty-five million, sixty-three thousand, five hundred thirty-eight".