24999967 has 2 divisors, whose sum is σ = 24999968. Its totient is φ = 24999966.

The previous prime is 24999959. The next prime is 24999971. The reversal of 24999967 is 76999942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24999967 - 2³ = 24999959 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24999167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499983 + 12499984.

It is an arithmetic number, because the mean of its divisors is an integer number (12499984).

Almost surely, 2^24999967 is an apocalyptic number.

24999967 is a deficient number, since it is larger than the sum of its proper divisors (1).

24999967 is an equidigital number, since it uses as much as digits as its factorization.

24999967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 55.

The square root of 24999967 is about 4999.9966999989. The cubic root of 24999967 is about 292.4016451644.

The spelling of 24999967 in words is "twenty-four million, nine hundred ninety-nine thousand, nine hundred sixty-seven".