45263261 has 2 divisors, whose sum is σ = 45263262. Its totient is φ = 45263260.

The previous prime is 45263237. The next prime is 45263347. The reversal of 45263261 is 16236254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45225625 + 37636 = 6725^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45263261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45263861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22631630 + 22631631.

It is an arithmetic number, because the mean of its divisors is an integer number (22631631).

Almost surely, 2^45263261 is an apocalyptic number.

It is an amenable number.

45263261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45263261 is an equidigital number, since it uses as much as digits as its factorization.

45263261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 45263261 is about 6727.7976336986. The cubic root of 45263261 is about 356.3816053829.

The spelling of 45263261 in words is "forty-five million, two hundred sixty-three thousand, two hundred sixty-one".