61253090 has 8 divisors (see below), whose sum is σ = 110255580. Its totient is φ = 24501232.

The previous prime is 61253053. The next prime is 61253099. The reversal of 61253090 is 9035216.

It can be written as a sum of positive squares in 2 ways, for example, as 50993881 + 10259209 = 7141^2 + 3203^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61253099) 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, 3062645 + ... + 3062664.

Almost surely, 2^61253090 is an apocalyptic number.

61253090 is a deficient number, since it is larger than the sum of its proper divisors (49002490).

61253090 is a wasteful number, since it uses less digits than its factorization.

61253090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125316.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 61253090 is about 7826.4353316181. The cubic root of 61253090 is about 394.1933868170.

The spelling of 61253090 in words is "sixty-one million, two hundred fifty-three thousand, ninety".