25758495 has 24 divisors (see below), whose sum is σ = 51026976. Its totient is φ = 11775168.

The previous prime is 25758493. The next prime is 25758497. The reversal of 25758495 is 59485752.

It is an interprime number because it is at equal distance from previous prime (25758493) and next prime (25758497).

It is not a de Polignac number, because 25758495 - 2¹ = 25758493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25758495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25758493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40572 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (2126124).

Almost surely, 2^25758495 is an apocalyptic number.

25758495 is a deficient number, since it is larger than the sum of its proper divisors (25268481).

25758495 is a wasteful number, since it uses less digits than its factorization.

25758495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81791 (or 81788 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 25758495 is about 5075.2827507440. The cubic root of 25758495 is about 295.3294987276.

The spelling of 25758495 in words is "twenty-five million, seven hundred fifty-eight thousand, four hundred ninety-five".