61152701 has 4 divisors (see below), whose sum is σ = 61839900. Its totient is φ = 60465504.

The previous prime is 61152671. The next prime is 61152713. The reversal of 61152701 is 10725116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 43217476 = 4235^2 + 6574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61152701 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 (61152761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343466 + ... + 343643.

It is an arithmetic number, because the mean of its divisors is an integer number (15459975).

Almost surely, 2^61152701 is an apocalyptic number.

It is an amenable number.

61152701 is a deficient number, since it is larger than the sum of its proper divisors (687199).

61152701 is an equidigital number, since it uses as much as digits as its factorization.

61152701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687198.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 61152701 is about 7820.0192455006. The cubic root of 61152701 is about 393.9779184031.

Adding to 61152701 its reverse (10725116), we get a palindrome (71877817).

The spelling of 61152701 in words is "sixty-one million, one hundred fifty-two thousand, seven hundred one".