61454613 has 32 divisors (see below), whose sum is σ = 93405312. Its totient is φ = 35609600.

The previous prime is 61454581. The next prime is 61454621. The reversal of 61454613 is 31645416.

It is a cyclic number.

It is not a de Polignac number, because 61454613 - 2⁵ = 61454581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61454663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71281 + ... + 72137.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 2^61454613 is an apocalyptic number.

It is an amenable number.

61454613 is a deficient number, since it is larger than the sum of its proper divisors (31950699).

61454613 is a wasteful number, since it uses less digits than its factorization.

61454613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965.

The product of its digits is 8640, while the sum is 30.

The square root of 61454613 is about 7839.2992671539. The cubic root of 61454613 is about 394.6252130563.

The spelling of 61454613 in words is "sixty-one million, four hundred fifty-four thousand, six hundred thirteen".