61695253 has 2 divisors, whose sum is σ = 61695254. Its totient is φ = 61695252.

The previous prime is 61695241. The next prime is 61695259. The reversal of 61695253 is 35259616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54066609 + 7628644 = 7353^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 61695253 - 2¹³ = 61687061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61695259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30847626 + 30847627.

It is an arithmetic number, because the mean of its divisors is an integer number (30847627).

Almost surely, 2^61695253 is an apocalyptic number.

It is an amenable number.

61695253 is a deficient number, since it is larger than the sum of its proper divisors (1).

61695253 is an equidigital number, since it uses as much as digits as its factorization.

61695253 is an evil number, because the sum of its binary digits is even.

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

The square root of 61695253 is about 7854.6325821136. The cubic root of 61695253 is about 395.1396248370.

The spelling of 61695253 in words is "sixty-one million, six hundred ninety-five thousand, two hundred fifty-three".