10015624 has 8 divisors (see below), whose sum is σ = 18779310. Its totient is φ = 5007808.

The previous prime is 10015609. The next prime is 10015627. The reversal of 10015624 is 42651001.

It can be written as a sum of positive squares in only one way, i.e., 6666724 + 3348900 = 2582^2 + 1830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (10015627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625969 + ... + 625984.

Almost surely, 2^10015624 is an apocalyptic number.

It is an amenable number.

10015624 is a deficient number, since it is larger than the sum of its proper divisors (8763686).

10015624 is a wasteful number, since it uses less digits than its factorization.

10015624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251959 (or 1251955 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10015624 is about 3164.7470673025. The cubic root of 10015624 is about 215.5556135772. Note that the first 3 decimals are identical.

Adding to 10015624 its reverse (42651001), we get a palindrome (52666625).

The spelling of 10015624 in words is "ten million, fifteen thousand, six hundred twenty-four".