25362989 has 2 divisors, whose sum is σ = 25362990. Its totient is φ = 25362988.

The previous prime is 25362977. The next prime is 25363001. The reversal of 25362989 is 98926352.

It is a balanced prime because it is at equal distance from previous prime (25362977) and next prime (25363001).

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 1646089 = 4870^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 25362989 - 2⁴ = 25362973 is a prime.

It is a super-2 number, since 2×25362989² = 1286562422028242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25362949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681494 + 12681495.

It is an arithmetic number, because the mean of its divisors is an integer number (12681495).

Almost surely, 2^25362989 is an apocalyptic number.

It is an amenable number.

25362989 is a deficient number, since it is larger than the sum of its proper divisors (1).

25362989 is an equidigital number, since it uses as much as digits as its factorization.

25362989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 25362989 is about 5036.1680869486. The cubic root of 25362989 is about 293.8101609691.

The spelling of 25362989 in words is "twenty-five million, three hundred sixty-two thousand, nine hundred eighty-nine".