2025115531 has 16 divisors (see below), whose sum is σ = 2187645408. Its totient is φ = 1867507200.

The previous prime is 2025115493. The next prime is 2025115537. The reversal of 2025115531 is 1355115202.

It is a cyclic number.

It is not a de Polignac number, because 2025115531 - 2¹³ = 2025107339 is a prime.

It is a super-2 number, since 2×2025115531² = 8202185827794823922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2025115496 and 2025115505.

It is not an unprimeable number, because it can be changed into a prime (2025115537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162321 + ... + 1164061.

It is an arithmetic number, because the mean of its divisors is an integer number (136727838).

Almost surely, 2^2025115531 is an apocalyptic number.

2025115531 is a deficient number, since it is larger than the sum of its proper divisors (162529877).

2025115531 is a wasteful number, since it uses less digits than its factorization.

2025115531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2025115531 is about 45001.2836594691. The cubic root of 2025115531 is about 1265.1730574011.

The spelling of 2025115531 in words is "two billion, twenty-five million, one hundred fifteen thousand, five hundred thirty-one".