25758057 has 16 divisors (see below), whose sum is σ = 37110528. Its totient is φ = 15797760.

The previous prime is 25758049. The next prime is 25758067. The reversal of 25758057 is 75085752.

It is not a de Polignac number, because 25758057 - 2³ = 25758049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25758037) 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, 12832 + ... + 14702.

It is an arithmetic number, because the mean of its divisors is an integer number (2319408).

Almost surely, 2^25758057 is an apocalyptic number.

It is an amenable number.

25758057 is a deficient number, since it is larger than the sum of its proper divisors (11352471).

25758057 is a wasteful number, since it uses less digits than its factorization.

25758057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 25758057 is about 5075.2396002553. The cubic root of 25758057 is about 295.3278247807.

The spelling of 25758057 in words is "twenty-five million, seven hundred fifty-eight thousand, fifty-seven".