25042623 has 8 divisors (see below), whose sum is σ = 33860736. Its totient is φ = 16459800.

The previous prime is 25042621. The next prime is 25042639. The reversal of 25042623 is 32624052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25042623 - 2¹ = 25042621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25042593 and 25042602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042621) 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, 58573 + ... + 58998.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 2^25042623 is an apocalyptic number.

25042623 is a deficient number, since it is larger than the sum of its proper divisors (8818113).

25042623 is a wasteful number, since it uses less digits than its factorization.

25042623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117645.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 25042623 is about 5004.2604848269. The cubic root of 25042623 is about 292.5678533503.

Adding to 25042623 its product of nonzero digits (2880), we get a triangular number (25045503 = T₇₀₇₇).

Adding to 25042623 its reverse (32624052), we get a palindrome (57666675).

The spelling of 25042623 in words is "twenty-five million, forty-two thousand, six hundred twenty-three".