25451383 has 2 divisors, whose sum is σ = 25451384. Its totient is φ = 25451382.

The previous prime is 25451381. The next prime is 25451401. The reversal of 25451383 is 38315452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25451383 - 2¹ = 25451381 is a prime.

It is a super-2 number, since 2×25451383² = 1295545793225378, which contains 22 as substring.

Together with 25451381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25451381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725691 + 12725692.

It is an arithmetic number, because the mean of its divisors is an integer number (12725692).

Almost surely, 2^25451383 is an apocalyptic number.

25451383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451383 is an equidigital number, since it uses as much as digits as its factorization.

25451383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 25451383 is about 5044.9363722449. The cubic root of 25451383 is about 294.1510900631.

The spelling of 25451383 in words is "twenty-five million, four hundred fifty-one thousand, three hundred eighty-three".