61414591 has 12 divisors (see below), whose sum is σ = 75644928. Its totient is φ = 49543872.

The previous prime is 61414559. The next prime is 61414601. The reversal of 61414591 is 19541416.

It is not a de Polignac number, because 61414591 - 2⁵ = 61414559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61414091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36031 + ... + 37696.

It is an arithmetic number, because the mean of its divisors is an integer number (6303744).

Almost surely, 2^61414591 is an apocalyptic number.

61414591 is a deficient number, since it is larger than the sum of its proper divisors (14230337).

61414591 is a wasteful number, since it uses less digits than its factorization.

61414591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73758 (or 73751 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 61414591 is about 7836.7461997949. The cubic root of 61414591 is about 394.5395285743.

The spelling of 61414591 in words is "sixty-one million, four hundred fourteen thousand, five hundred ninety-one".