2525021451 has 16 divisors (see below), whose sum is σ = 3841876000. Its totient is φ = 1637851104.

The previous prime is 2525021419. The next prime is 2525021459. The reversal of 2525021451 is 1541205252.

It is not a de Polignac number, because 2525021451 - 2⁵ = 2525021419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525021459) 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, 1262776 + ... + 1264773.

It is an arithmetic number, because the mean of its divisors is an integer number (240117250).

Almost surely, 2^2525021451 is an apocalyptic number.

2525021451 is a deficient number, since it is larger than the sum of its proper divisors (1316854549).

2525021451 is a wasteful number, since it uses less digits than its factorization.

2525021451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527595 (or 2527589 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2525021451 is about 50249.5915505788. The cubic root of 2525021451 is about 1361.7216969068.

The spelling of 2525021451 in words is "two billion, five hundred twenty-five million, twenty-one thousand, four hundred fifty-one".