61397262 has 24 divisors (see below), whose sum is σ = 133323840. Its totient is φ = 20420160.

The previous prime is 61397239. The next prime is 61397269. The reversal of 61397262 is 26279316.

61397262 is a `hidden beast` number, since 6 + 1 + 397 + 262 = 666.

61397262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61397262³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61397269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5062 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (5555160).

Almost surely, 2^61397262 is an apocalyptic number.

61397262 is an abundant number, since it is smaller than the sum of its proper divisors (71926578).

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

61397262 is a wasteful number, since it uses less digits than its factorization.

61397262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608 (or 7605 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 61397262 is about 7835.6404971132. The cubic root of 61397262 is about 394.5024167711.

The spelling of 61397262 in words is "sixty-one million, three hundred ninety-seven thousand, two hundred sixty-two".