61582245 has 64 divisors (see below), whose sum is σ = 109921536. Its totient is φ = 29306880.

The previous prime is 61582231. The next prime is 61582271. The reversal of 61582245 is 54228516.

It is not a de Polignac number, because 61582245 - 2⁴ = 61582229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 575482 + ... + 575588.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524).

Almost surely, 2^61582245 is an apocalyptic number.

It is an amenable number.

61582245 is a deficient number, since it is larger than the sum of its proper divisors (48339291).

61582245 is a wasteful number, since it uses less digits than its factorization.

61582245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its digits is 19200, while the sum is 33.

The square root of 61582245 is about 7847.4355683879. The cubic root of 61582245 is about 394.8982165777.

The spelling of 61582245 in words is "sixty-one million, five hundred eighty-two thousand, two hundred forty-five".