245015033 has 4 divisors (see below), whose sum is σ = 259427700. Its totient is φ = 230602368.

The previous prime is 245015027. The next prime is 245015053. The reversal of 245015033 is 330510542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330510542 = 2 ⋅165255271.

It can be written as a sum of positive squares in 2 ways, for example, as 192987664 + 52027369 = 13892^2 + 7213^2 .

It is a cyclic number.

It is not a de Polignac number, because 245015033 - 2²² = 240820729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245015053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7206308 + ... + 7206341.

It is an arithmetic number, because the mean of its divisors is an integer number (64856925).

Almost surely, 2^245015033 is an apocalyptic number.

It is an amenable number.

245015033 is a deficient number, since it is larger than the sum of its proper divisors (14412667).

245015033 is a wasteful number, since it uses less digits than its factorization.

245015033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14412666.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 245015033 is about 15652.9560467025. The cubic root of 245015033 is about 625.7452724505.

Adding to 245015033 its reverse (330510542), we get a palindrome (575525575).

The spelling of 245015033 in words is "two hundred forty-five million, fifteen thousand, thirty-three".