45939407 has 2 divisors, whose sum is σ = 45939408. Its totient is φ = 45939406.

The previous prime is 45939403. The next prime is 45939409. The reversal of 45939407 is 70493954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45939407 - 2² = 45939403 is a prime.

It is a super-2 number, since 2×45939407² = 4220858231023298, which contains 22 as substring.

Together with 45939409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45939401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22969703 + 22969704.

It is an arithmetic number, because the mean of its divisors is an integer number (22969704).

Almost surely, 2^45939407 is an apocalyptic number.

45939407 is a deficient number, since it is larger than the sum of its proper divisors (1).

45939407 is an equidigital number, since it uses as much as digits as its factorization.

45939407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 45939407 is about 6777.8615359123. The cubic root of 45939407 is about 358.1473936110.

The spelling of 45939407 in words is "forty-five million, nine hundred thirty-nine thousand, four hundred seven".