45982621 has 2 divisors, whose sum is σ = 45982622. Its totient is φ = 45982620.

The previous prime is 45982583. The next prime is 45982633. The reversal of 45982621 is 12628954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 20115225 = 5086^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 45982621 - 2⁷ = 45982493 is a prime.

It is a super-2 number, since 2×45982621² = 4228802868059282, 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 (45982691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22991310 + 22991311.

It is an arithmetic number, because the mean of its divisors is an integer number (22991311).

Almost surely, 2^45982621 is an apocalyptic number.

It is an amenable number.

45982621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45982621 is an equidigital number, since it uses as much as digits as its factorization.

45982621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 45982621 is about 6781.0486652140. The cubic root of 45982621 is about 358.2596583824.

The spelling of 45982621 in words is "forty-five million, nine hundred eighty-two thousand, six hundred twenty-one".