25358542 has 16 divisors (see below), whose sum is σ = 42618672. Its totient is φ = 11214720.

The previous prime is 25358537. The next prime is 25358549. The reversal of 25358542 is 24585352.

It is a junction number, because it is equal to n+sod(n) for n = 25358498 and 25358507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25358549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14763 + ... + 16390.

It is an arithmetic number, because the mean of its divisors is an integer number (2663667).

Almost surely, 2^25358542 is an apocalyptic number.

25358542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25358542 is a deficient number, since it is larger than the sum of its proper divisors (17260130).

25358542 is a wasteful number, since it uses less digits than its factorization.

25358542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31203.

The product of its digits is 48000, while the sum is 34.

The square root of 25358542 is about 5035.7265612819. The cubic root of 25358542 is about 293.7929883065.

The spelling of 25358542 in words is "twenty-five million, three hundred fifty-eight thousand, five hundred forty-two".