15056001 has 6 divisors (see below), whose sum is σ = 21747570. Its totient is φ = 10037328.

The previous prime is 15055981. The next prime is 15056009. The reversal of 15056001 is 10065051.

15056001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14447601 + 608400 = 3801^2 + 780^2 .

It is not a de Polignac number, because 15056001 - 2¹¹ = 15053953 is a prime.

It is a super-2 number, since 2×15056001² = 453366332224002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15056009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836436 + ... + 836453.

It is an arithmetic number, because the mean of its divisors is an integer number (3624595).

Almost surely, 2^15056001 is an apocalyptic number.

It is an amenable number.

15056001 is a deficient number, since it is larger than the sum of its proper divisors (6691569).

15056001 is a wasteful number, since it uses less digits than its factorization.

15056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672895 (or 1672892 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 15056001 is about 3880.2063089480. The cubic root of 15056001 is about 246.9277381536.

The spelling of 15056001 in words is "fifteen million, fifty-six thousand, one".