61633245 has 32 divisors (see below), whose sum is σ = 109918080. Its totient is φ = 29306880.

The previous prime is 61633219. The next prime is 61633249. The reversal of 61633245 is 54233616.

It is not a de Polignac number, because 61633245 - 2⁵ = 61633213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61633249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1516 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (3434940).

Almost surely, 2^61633245 is an apocalyptic number.

It is an amenable number.

61633245 is a deficient number, since it is larger than the sum of its proper divisors (48284835).

61633245 is a wasteful number, since it uses less digits than its factorization.

61633245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12765.

The product of its digits is 12960, while the sum is 30.

The square root of 61633245 is about 7850.6843650729. The cubic root of 61633245 is about 395.0071995697.

The spelling of 61633245 in words is "sixty-one million, six hundred thirty-three thousand, two hundred forty-five".