2451972 has 12 divisors (see below), whose sum is σ = 5721296. Its totient is φ = 817320.

The previous prime is 2451947. The next prime is 2451973. The reversal of 2451972 is 2791542.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2451973) 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, 102154 + ... + 102177.

2^2451972 is an apocalyptic number.

It is an amenable number.

2451972 is an abundant number, since it is smaller than the sum of its proper divisors (3269324).

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

2451972 is a wasteful number, since it uses less digits than its factorization.

2451972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204338 (or 204336 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2451972 is about 1565.8773898361. The cubic root of 2451972 is about 134.8461347135.

The spelling of 2451972 in words is "two million, four hundred fifty-one thousand, nine hundred seventy-two".