25201390 has 8 divisors (see below), whose sum is σ = 45362520. Its totient is φ = 10080552.

The previous prime is 25201369. The next prime is 25201409. The reversal of 25201390 is 9310252.

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

It is a super-2 number, since 2×25201390² = 1270220115864200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260060 + ... + 1260079.

It is an arithmetic number, because the mean of its divisors is an integer number (5670315).

Almost surely, 2^25201390 is an apocalyptic number.

25201390 is a deficient number, since it is larger than the sum of its proper divisors (20161130).

25201390 is a wasteful number, since it uses less digits than its factorization.

25201390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520146.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 25201390 is about 5020.0986046093. The cubic root of 25201390 is about 293.1848321451.

The spelling of 25201390 in words is "twenty-five million, two hundred one thousand, three hundred ninety".