45599251 has 2 divisors, whose sum is σ = 45599252. Its totient is φ = 45599250.

The previous prime is 45599249. The next prime is 45599303. The reversal of 45599251 is 15299554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45599251 - 2¹ = 45599249 is a prime.

It is a super-2 number, since 2×45599251² = 4158583383522002, which contains 22 as substring.

Together with 45599249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45599201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22799625 + 22799626.

It is an arithmetic number, because the mean of its divisors is an integer number (22799626).

Almost surely, 2^45599251 is an apocalyptic number.

45599251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45599251 is an equidigital number, since it uses as much as digits as its factorization.

45599251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 40.

The square root of 45599251 is about 6752.7217475622. The cubic root of 45599251 is about 357.2612414627.

The spelling of 45599251 in words is "forty-five million, five hundred ninety-nine thousand, two hundred fifty-one".