45246521 has 2 divisors, whose sum is σ = 45246522. Its totient is φ = 45246520.

The previous prime is 45246511. The next prime is 45246527. The reversal of 45246521 is 12564254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 18826921 = 5140^2 + 4339^2 .

It is a cyclic number.

It is not a de Polignac number, because 45246521 - 2¹⁸ = 44984377 is a prime.

It is not a weakly prime, because it can be changed into another prime (45246527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22623260 + 22623261.

It is an arithmetic number, because the mean of its divisors is an integer number (22623261).

Almost surely, 2^45246521 is an apocalyptic number.

It is an amenable number.

45246521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45246521 is an equidigital number, since it uses as much as digits as its factorization.

45246521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 45246521 is about 6726.5534265328. The cubic root of 45246521 is about 356.3376656729.

The spelling of 45246521 in words is "forty-five million, two hundred forty-six thousand, five hundred twenty-one".