25021001054 has 8 divisors (see below), whose sum is σ = 42893144688. Its totient is φ = 10723286160.

The previous prime is 25021001011. The next prime is 25021001087. The reversal of 25021001054 is 45010012052.

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

It is a super-2 number, since 2×25021001054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893607167 + ... + 893607194.

It is an arithmetic number, because the mean of its divisors is an integer number (5361643086).

Almost surely, 2^25021001054 is an apocalyptic number.

25021001054 is a deficient number, since it is larger than the sum of its proper divisors (17872143634).

25021001054 is a wasteful number, since it uses less digits than its factorization.

25021001054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787214370.

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 25021001054 in words is "twenty-five billion, twenty-one million, one thousand, fifty-four".