61897352 has 16 divisors (see below), whose sum is σ = 126608400. Its totient is φ = 28135120.

The previous prime is 61897351. The next prime is 61897373. The reversal of 61897352 is 25379816.

It is a super-2 number, since 2×61897352² = 7662564369223808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61897351) 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, 351602 + ... + 351777.

It is an arithmetic number, because the mean of its divisors is an integer number (7913025).

Almost surely, 2^61897352 is an apocalyptic number.

It is an amenable number.

61897352 is an abundant number, since it is smaller than the sum of its proper divisors (64711048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61897352 is a wasteful number, since it uses less digits than its factorization.

61897352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703396 (or 703392 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 61897352 is about 7867.4870193728. The cubic root of 61897352 is about 395.5706157676.

The spelling of 61897352 in words is "sixty-one million, eight hundred ninety-seven thousand, three hundred fifty-two".