61461259 has 4 divisors (see below), whose sum is σ = 61695216. Its totient is φ = 61227304.

The previous prime is 61461229. The next prime is 61461263. The reversal of 61461259 is 95216416.

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 61461259 - 2⁹ = 61460747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61461229) 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, 116584 + ... + 117109.

It is an arithmetic number, because the mean of its divisors is an integer number (15423804).

Almost surely, 2^61461259 is an apocalyptic number.

61461259 is a deficient number, since it is larger than the sum of its proper divisors (233957).

61461259 is a wasteful number, since it uses less digits than its factorization.

61461259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233956.

The product of its digits is 12960, while the sum is 34.

The square root of 61461259 is about 7839.7231456219. The cubic root of 61461259 is about 394.6394381052.

The spelling of 61461259 in words is "sixty-one million, four hundred sixty-one thousand, two hundred fifty-nine".