61652953 has 6 divisors (see below), whose sum is σ = 62565594. Its totient is φ = 60742224.

The previous prime is 61652933. The next prime is 61652959. The reversal of 61652953 is 35925616.

It can be written as a sum of positive squares in only one way, i.e., 54051904 + 7601049 = 7352^2 + 2757^2 .

It is a de Polignac number, because none of the positive numbers 2^k-61652953 is a prime.

It is a super-2 number, since 2×61652953² = 7602173227240418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61652959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66628 + ... + 67546.

It is an arithmetic number, because the mean of its divisors is an integer number (10427599).

Almost surely, 2^61652953 is an apocalyptic number.

It is an amenable number.

61652953 is a deficient number, since it is larger than the sum of its proper divisors (912641).

61652953 is an frugal number, since it uses more digits than its factorization.

61652953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 992 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 61652953 is about 7851.9394419468. The cubic root of 61652953 is about 395.0492979116.

The spelling of 61652953 in words is "sixty-one million, six hundred fifty-two thousand, nine hundred fifty-three".