45179261 has 2 divisors, whose sum is σ = 45179262. Its totient is φ = 45179260.

The previous prime is 45179243. The next prime is 45179263. The reversal of 45179261 is 16297154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 16556761 = 5350^2 + 4069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45179261 is a prime.

It is a super-2 number, since 2×45179261² = 4082331249012242, which contains 22 as substring.

Together with 45179263, 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 (45179263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22589630 + 22589631.

It is an arithmetic number, because the mean of its divisors is an integer number (22589631).

Almost surely, 2^45179261 is an apocalyptic number.

It is an amenable number.

45179261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45179261 is an equidigital number, since it uses as much as digits as its factorization.

45179261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 45179261 is about 6721.5519785240. The cubic root of 45179261 is about 356.1610100491.

The spelling of 45179261 in words is "forty-five million, one hundred seventy-nine thousand, two hundred sixty-one".