2415121525 has 12 divisors (see below), whose sum is σ = 3016300000. Its totient is φ = 1918194480.

The previous prime is 2415121477. The next prime is 2415121567. The reversal of 2415121525 is 5251215142.

It is not a de Polignac number, because 2415121525 - 2²⁵ = 2381567093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2415121493 and 2415121502.

It is a congruent 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, 344025 + ... + 350974.

Almost surely, 2^2415121525 is an apocalyptic number.

2415121525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2415121525 is a deficient number, since it is larger than the sum of its proper divisors (601178475).

2415121525 is a wasteful number, since it uses less digits than its factorization.

2415121525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695148 (or 695143 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2415121525 is about 49143.8859371133. The cubic root of 2415121525 is about 1341.6719171294.

Adding to 2415121525 its reverse (5251215142), we get a palindrome (7666336667).

The spelling of 2415121525 in words is "two billion, four hundred fifteen million, one hundred twenty-one thousand, five hundred twenty-five".