61701025 has 9 divisors (see below), whose sum is σ = 76558003. Its totient is φ = 49329400.

The previous prime is 61700983. The next prime is 61701043. The reversal of 61701025 is 52010716.

The square root of 61701025 is 7855.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 39488656 = 4713^2 + 6284^2 .

It is not a de Polignac number, because 61701025 - 2⁷ = 61700897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61700987 and 61701005.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38490 + ... + 40060.

Almost surely, 2^61701025 is an apocalyptic number.

61701025 is the 7855-th square number.

61701025 is the 3928-th centered octagonal number.

It is an amenable number.

61701025 is a deficient number, since it is larger than the sum of its proper divisors (14856978).

61701025 is an frugal number, since it uses more digits than its factorization.

61701025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The cubic root of 61701025 is about 395.1519470967.

The spelling of 61701025 in words is "sixty-one million, seven hundred one thousand, twenty-five".