745878053 has 2 divisors, whose sum is σ = 745878054. Its totient is φ = 745878052.

The previous prime is 745877989. The next prime is 745878097. The reversal of 745878053 is 350878547.

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., 696062689 + 49815364 = 26383^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 745878053 - 2⁶ = 745877989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745877989 and 745878007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745878253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372939026 + 372939027.

It is an arithmetic number, because the mean of its divisors is an integer number (372939027).

Almost surely, 2^745878053 is an apocalyptic number.

It is an amenable number.

745878053 is a deficient number, since it is larger than the sum of its proper divisors (1).

745878053 is an equidigital number, since it uses as much as digits as its factorization.

745878053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 745878053 is about 27310.7680778114. The cubic root of 745878053 is about 906.8927767567.

The spelling of 745878053 in words is "seven hundred forty-five million, eight hundred seventy-eight thousand, fifty-three".