2149542025 has 12 divisors (see below), whose sum is σ = 2666051584. Its totient is φ = 1719234000.

The previous prime is 2149542011. The next prime is 2149542037. The reversal of 2149542025 is 5202459412.

It is a happy number.

It is not a de Polignac number, because 2149542025 - 2¹⁷ = 2149410953 is a prime.

It is a super-2 number, since 2×2149542025² = 9241061834482201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149920 + ... + 163630.

Almost surely, 2^2149542025 is an apocalyptic number.

2149542025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2149542025 is a deficient number, since it is larger than the sum of its proper divisors (516509559).

2149542025 is a wasteful number, since it uses less digits than its factorization.

2149542025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19992 (or 19987 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2149542025 is about 46363.1537430318. The cubic root of 2149542025 is about 1290.5712320992.

The spelling of 2149542025 in words is "two billion, one hundred forty-nine million, five hundred forty-two thousand, twenty-five".