61531462 has 8 divisors (see below), whose sum is σ = 97155000. Its totient is φ = 29146464.

The previous prime is 61531451. The next prime is 61531471. The reversal of 61531462 is 26413516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61531462² = 7572241631714888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61531462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809587 + ... + 809662.

It is an arithmetic number, because the mean of its divisors is an integer number (12144375).

Almost surely, 2^61531462 is an apocalyptic number.

61531462 is a deficient number, since it is larger than the sum of its proper divisors (35623538).

61531462 is a wasteful number, since it uses less digits than its factorization.

61531462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619270.

The product of its digits is 4320, while the sum is 28.

The square root of 61531462 is about 7844.1992580505. The cubic root of 61531462 is about 394.7896374945.

Adding to 61531462 its reverse (26413516), we get a palindrome (87944978).

The spelling of 61531462 in words is "sixty-one million, five hundred thirty-one thousand, four hundred sixty-two".