61802253 has 12 divisors (see below), whose sum is σ = 90400960. Its totient is φ = 40679496.

The previous prime is 61802239. The next prime is 61802261. The reversal of 61802253 is 35220816.

It is not a de Polignac number, because 61802253 - 2¹⁴ = 61785869 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 (61802233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42751 + ... + 44172.

Almost surely, 2^61802253 is an apocalyptic number.

It is an amenable number.

61802253 is a deficient number, since it is larger than the sum of its proper divisors (28598707).

61802253 is a wasteful number, since it uses less digits than its factorization.

61802253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87008 (or 87005 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 61802253 is about 7861.4408984613. The cubic root of 61802253 is about 395.3679272258.

The spelling of 61802253 in words is "sixty-one million, eight hundred two thousand, two hundred fifty-three".