25020413 has 16 divisors (see below), whose sum is σ = 29346624. Its totient is φ = 21077760.

The previous prime is 25020409. The next prime is 25020421. The reversal of 25020413 is 31402052.

It is not a de Polignac number, because 25020413 - 2² = 25020409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 25020391 and 25020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25023413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11531 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (1834164).

Almost surely, 2^25020413 is an apocalyptic number.

It is an amenable number.

25020413 is a deficient number, since it is larger than the sum of its proper divisors (4326211).

25020413 is a wasteful number, since it uses less digits than its factorization.

25020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25020413 is about 5002.0408834795. The cubic root of 25020413 is about 292.4813361359.

Adding to 25020413 its reverse (31402052), we get a palindrome (56422465).

The spelling of 25020413 in words is "twenty-five million, twenty thousand, four hundred thirteen".