1401253454 has 4 divisors (see below), whose sum is σ = 2101880184. Its totient is φ = 700626726.

The previous prime is 1401253409. The next prime is 1401253487. The reversal of 1401253454 is 4543521041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1401253454² = 3927022484693860232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350313362 + ... + 350313365.

It is an arithmetic number, because the mean of its divisors is an integer number (525470046).

Almost surely, 2^1401253454 is an apocalyptic number.

1401253454 is a deficient number, since it is larger than the sum of its proper divisors (700626730).

1401253454 is an equidigital number, since it uses as much as digits as its factorization.

1401253454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700626729.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1401253454 is about 37433.3201038861. The cubic root of 1401253454 is about 1119.0227056183.

Adding to 1401253454 its reverse (4543521041), we get a palindrome (5944774495).

The spelling of 1401253454 in words is "one billion, four hundred one million, two hundred fifty-three thousand, four hundred fifty-four".