25214031 has 8 divisors (see below), whose sum is σ = 37354160. Its totient is φ = 16809336.

The previous prime is 25214011. The next prime is 25214047. The reversal of 25214031 is 13041252.

It is not a de Polignac number, because 25214031 - 2⁹ = 25213519 is a prime.

It is a super-2 number, since 2×25214031² = 1271494718537922, 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 = 25213995 and 25214013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214011) 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, 466900 + ... + 466953.

It is an arithmetic number, because the mean of its divisors is an integer number (4669270).

Almost surely, 2^25214031 is an apocalyptic number.

25214031 is a deficient number, since it is larger than the sum of its proper divisors (12140129).

25214031 is an equidigital number, since it uses as much as digits as its factorization.

25214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933862 (or 933856 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25214031 is about 5021.3574857801. The cubic root of 25214031 is about 293.2338443883.

Adding to 25214031 its reverse (13041252), we get a palindrome (38255283).

The spelling of 25214031 in words is "twenty-five million, two hundred fourteen thousand, thirty-one".