1461251 has 8 divisors (see below), whose sum is σ = 1617408. Its totient is φ = 1309000.

The previous prime is 1461211. The next prime is 1461283. The reversal of 1461251 is 1521641.

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

It is a de Polignac number, because none of the positive numbers 2^k-1461251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (202176).

2^1461251 is an apocalyptic number.

1461251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1461251 is a deficient number, since it is larger than the sum of its proper divisors (156157).

1461251 is a wasteful number, since it uses less digits than its factorization.

1461251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its digits is 240, while the sum is 20.

The square root of 1461251 is about 1208.8221539995. The cubic root of 1461251 is about 113.4771118305.

Adding to 1461251 its reverse (1521641), we get a palindrome (2982892).

The spelling of 1461251 in words is "one million, four hundred sixty-one thousand, two hundred fifty-one".