61374259 has 4 divisors (see below), whose sum is σ = 61511400. Its totient is φ = 61237120.

The previous prime is 61374251. The next prime is 61374263. The reversal of 61374259 is 95247316.

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

It is a cyclic number.

It is not a de Polignac number, because 61374259 - 2³ = 61374251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61374251) 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, 67897 + ... + 68794.

It is an arithmetic number, because the mean of its divisors is an integer number (15377850).

Almost surely, 2^61374259 is an apocalyptic number.

61374259 is a deficient number, since it is larger than the sum of its proper divisors (137141).

61374259 is a wasteful number, since it uses less digits than its factorization.

61374259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137140.

The product of its digits is 45360, while the sum is 37.

The square root of 61374259 is about 7834.1725153331. The cubic root of 61374259 is about 394.4531427354.

The spelling of 61374259 in words is "sixty-one million, three hundred seventy-four thousand, two hundred fifty-nine".