61414015 has 16 divisors (see below), whose sum is σ = 80867808. Its totient is φ = 44493696.

The previous prime is 61413991. The next prime is 61414021. The reversal of 61414015 is 51041416.

It is a de Polignac number, because none of the positive numbers 2^k-61414015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5469 + ... + 12358.

It is an arithmetic number, because the mean of its divisors is an integer number (5054238).

Almost surely, 2^61414015 is an apocalyptic number.

61414015 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61414015 is a deficient number, since it is larger than the sum of its proper divisors (19453793).

61414015 is a wasteful number, since it uses less digits than its factorization.

61414015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17898.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 61414015 is about 7836.7094497627. The cubic root of 61414015 is about 394.5382951243.

The spelling of 61414015 in words is "sixty-one million, four hundred fourteen thousand, fifteen".