745614253 has 8 divisors (see below), whose sum is σ = 778555008. Its totient is φ = 712717104.

The previous prime is 745614227. The next prime is 745614307. The reversal of 745614253 is 352416547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745614253 - 2¹⁷ = 745483181 is a prime.

It is a super-2 number, since 2×745614253² = 1111881228553496018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745614223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26875 + ... + 47047.

It is an arithmetic number, because the mean of its divisors is an integer number (97319376).

Almost surely, 2^745614253 is an apocalyptic number.

It is an amenable number.

745614253 is a deficient number, since it is larger than the sum of its proper divisors (32940755).

745614253 is a wasteful number, since it uses less digits than its factorization.

745614253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21803.

The product of its digits is 100800, while the sum is 37.

The square root of 745614253 is about 27305.9380538373. The cubic root of 745614253 is about 906.7858484085.

The spelling of 745614253 in words is "seven hundred forty-five million, six hundred fourteen thousand, two hundred fifty-three".