61298451 has 24 divisors (see below), whose sum is σ = 92492400. Its totient is φ = 40567392.

The previous prime is 61298449. The next prime is 61298453. The reversal of 61298451 is 15489216.

It is an interprime number because it is at equal distance from previous prime (61298449) and next prime (61298453).

It is not a de Polignac number, because 61298451 - 2¹ = 61298449 is a prime.

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 not an unprimeable number, because it can be changed into a prime (61298453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35361 + ... + 37053.

It is an arithmetic number, because the mean of its divisors is an integer number (3853850).

Almost surely, 2^61298451 is an apocalyptic number.

61298451 is a deficient number, since it is larger than the sum of its proper divisors (31193949).

61298451 is a wasteful number, since it uses less digits than its factorization.

61298451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1845 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 61298451 is about 7829.3327301884. The cubic root of 61298451 is about 394.2906694962.

The spelling of 61298451 in words is "sixty-one million, two hundred ninety-eight thousand, four hundred fifty-one".