2451156001 has 4 divisors (see below), whose sum is σ = 2801321152. Its totient is φ = 2100990852.

The previous prime is 2451155981. The next prime is 2451156041. The reversal of 2451156001 is 1006511542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2451156001 - 2⁷ = 2451155873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2451156041) 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, 175082565 + ... + 175082578.

It is an arithmetic number, because the mean of its divisors is an integer number (700330288).

Almost surely, 2^2451156001 is an apocalyptic number.

It is an amenable number.

2451156001 is a deficient number, since it is larger than the sum of its proper divisors (350165151).

2451156001 is an equidigital number, since it uses as much as digits as its factorization.

2451156001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350165150.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2451156001 is about 49509.1506794451. The cubic root of 2451156001 is about 1348.3117443939.

Adding to 2451156001 its reverse (1006511542), we get a palindrome (3457667543).

The spelling of 2451156001 in words is "two billion, four hundred fifty-one million, one hundred fifty-six thousand, one".