61319654 has 12 divisors (see below), whose sum is σ = 101101812. Its totient is φ = 27872460.

The previous prime is 61319639. The next prime is 61319681. The reversal of 61319654 is 45691316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126452 + ... + 126935.

It is an arithmetic number, because the mean of its divisors is an integer number (8425151).

Almost surely, 2^61319654 is an apocalyptic number.

61319654 is a deficient number, since it is larger than the sum of its proper divisors (39782158).

61319654 is a wasteful number, since it uses less digits than its factorization.

61319654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253411 (or 253400 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 61319654 is about 7830.6866876411. The cubic root of 61319654 is about 394.3361256820.

The spelling of 61319654 in words is "sixty-one million, three hundred nineteen thousand, six hundred fifty-four".