25473031 has 4 divisors (see below), whose sum is σ = 25485712. Its totient is φ = 25460352.

The previous prime is 25473023. The next prime is 25473043. The reversal of 25473031 is 13037452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25473031 - 2³ = 25473023 is a prime.

It is a super-2 number, since 2×25473031² = 1297750616653922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25472987 and 25473005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25473431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586 + ... + 7591.

It is an arithmetic number, because the mean of its divisors is an integer number (6371428).

Almost surely, 2^25473031 is an apocalyptic number.

25473031 is a deficient number, since it is larger than the sum of its proper divisors (12681).

25473031 is a wasteful number, since it uses less digits than its factorization.

25473031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 25473031 is about 5047.0814338586. The cubic root of 25473031 is about 294.2344644223.

The spelling of 25473031 in words is "twenty-five million, four hundred seventy-three thousand, thirty-one".