25228963 has 2 divisors, whose sum is σ = 25228964. Its totient is φ = 25228962.

The previous prime is 25228949. The next prime is 25228967. The reversal of 25228963 is 36982252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25228963 - 2²¹ = 23131811 is a prime.

It is not a weakly prime, because it can be changed into another prime (25228967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614481 + 12614482.

It is an arithmetic number, because the mean of its divisors is an integer number (12614482).

Almost surely, 2^25228963 is an apocalyptic number.

25228963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25228963 is an equidigital number, since it uses as much as digits as its factorization.

25228963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 25228963 is about 5022.8441146426. The cubic root of 25228963 is about 293.2917182986.

The spelling of 25228963 in words is "twenty-five million, two hundred twenty-eight thousand, nine hundred sixty-three".