245276506 has 4 divisors (see below), whose sum is σ = 367914762. Its totient is φ = 122638252.

The previous prime is 245276501. The next prime is 245276509. The reversal of 245276506 is 605672542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 223233481 + 22043025 = 14941^2 + 4695^2 .

It is not an unprimeable number, because it can be changed into a prime (245276501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61319125 + ... + 61319128.

Almost surely, 2^245276506 is an apocalyptic number.

245276506 is a deficient number, since it is larger than the sum of its proper divisors (122638256).

245276506 is a wasteful number, since it uses less digits than its factorization.

245276506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122638255.

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

The square root of 245276506 is about 15661.3060119519. The cubic root of 245276506 is about 625.9677857716.

The spelling of 245276506 in words is "two hundred forty-five million, two hundred seventy-six thousand, five hundred six".