61607051 has 8 divisors (see below), whose sum is σ = 68847408. Its totient is φ = 54640000.

The previous prime is 61607027. The next prime is 61607053. The reversal of 61607051 is 15070616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61607051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61607051.

It is not an unprimeable number, because it can be changed into a prime (61607053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67850 + ... + 68751.

It is an arithmetic number, because the mean of its divisors is an integer number (8605926).

Almost surely, 2^61607051 is an apocalyptic number.

61607051 is a deficient number, since it is larger than the sum of its proper divisors (7240357).

61607051 is a wasteful number, since it uses less digits than its factorization.

61607051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136653.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 61607051 is about 7849.0159255795. The cubic root of 61607051 is about 394.9512325629.

Adding to 61607051 its reverse (15070616), we get a palindrome (76677667).

The spelling of 61607051 in words is "sixty-one million, six hundred seven thousand, fifty-one".