45698621 has 2 divisors, whose sum is σ = 45698622. Its totient is φ = 45698620.

The previous prime is 45698599. The next prime is 45698633. The reversal of 45698621 is 12689654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 5692996 = 6325^2 + 2386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45698621 is a prime.

It is a super-2 number, since 2×45698621² = 4176727922603282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45695621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22849310 + 22849311.

It is an arithmetic number, because the mean of its divisors is an integer number (22849311).

Almost surely, 2^45698621 is an apocalyptic number.

It is an amenable number.

45698621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45698621 is an equidigital number, since it uses as much as digits as its factorization.

45698621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 45698621 is about 6760.0755173297. The cubic root of 45698621 is about 357.5205680376.

The spelling of 45698621 in words is "forty-five million, six hundred ninety-eight thousand, six hundred twenty-one".