745370501 has 2 divisors, whose sum is σ = 745370502. Its totient is φ = 745370500.

The previous prime is 745370459. The next prime is 745370503. The reversal of 745370501 is 105073547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470673025 + 274697476 = 21695^2 + 16574^2 .

It is an emirp because it is prime and its reverse (105073547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745370501 - 2²² = 741176197 is a prime.

It is a Sophie Germain prime.

Together with 745370503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745370503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372685250 + 372685251.

It is an arithmetic number, because the mean of its divisors is an integer number (372685251).

Almost surely, 2^745370501 is an apocalyptic number.

It is an amenable number.

745370501 is a deficient number, since it is larger than the sum of its proper divisors (1).

745370501 is an equidigital number, since it uses as much as digits as its factorization.

745370501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 745370501 is about 27301.4743374786. The cubic root of 745370501 is about 906.6870238695.

The spelling of 745370501 in words is "seven hundred forty-five million, three hundred seventy thousand, five hundred one".