45725879 has 2 divisors, whose sum is σ = 45725880. Its totient is φ = 45725878.

The previous prime is 45725851. The next prime is 45725887. The reversal of 45725879 is 97852754.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45725879 - 2¹² = 45721783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45725809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22862939 + 22862940.

It is an arithmetic number, because the mean of its divisors is an integer number (22862940).

Almost surely, 2^45725879 is an apocalyptic number.

45725879 is a deficient number, since it is larger than the sum of its proper divisors (1).

45725879 is an equidigital number, since it uses as much as digits as its factorization.

45725879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 47.

The square root of 45725879 is about 6762.0913185197. The cubic root of 45725879 is about 357.5916377145.

The spelling of 45725879 in words is "forty-five million, seven hundred twenty-five thousand, eight hundred seventy-nine".